Home / 20,333.58-30,531.34-19,331.22

Finding the Fourth Proportional to 20,333.58, 30,531.34 and 19,331.22

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Solution

The fourth proportional to 20,333.58, 30,531.34 and 19,331.22 is: 29,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.58 : 30,531.34 = 19,331.22 : x
  2. Step 2: Convert to fraction form
    20,333.58/30,531.34 = 19,331.22/x
  3. Step 3: Cross multiply
    20,333.58x = 30,531.34 × 19,331.22
  4. Step 4: Simplify right side
    20,333.58x = 590,208,050.43
  5. Step 5: Solve for x
    x = 590,208,050.43/20,333.58
  6. Step 6: Final answer
    x = 29,026.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.